Multiply the two dimensions to get the area. The calculation will give you 12 square meters.
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To find the area of a rectangular room, you multiply the length by the width. In this case, the room is 9 meters long and 3 meters wide, so the area would be 9m x 3m = 27 square meters.
It is: 0.5*6*3 = 9 square meters
Area = 5*3 = 15 square metres
This is not the question I was looking for.1Record the length and width of a square or rectangle. Substitute your measurements into the formula "length x width" to solve for area. For example, a rectangle with a length of 7 meters (m) and a width of 3m has an area of: 7m x 3m = 21m^2 (21 meters squared, or 21 square meters).2Use the formula "(base x height)/2" to find the area of a triangle. A triangle with a height of 7m and a base of 3m has an area of 7m x 3m = 21m^2, divided by two equals 10.5m^2.
area parallelogram = length of side x height between parallel sides ⇒ 33.75 m2 = side x 3m ⇒ side = 33.75 m2 ÷ 3m = 11.25 m